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When to plant swiss chard in Halifax

Swiss chard is cold-hardy, so every date keys off Halifax's frost dates of May 13.
Step 1 · Sow
Start seeds indoors
Apr 15 – May 6
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
May 12 – Jun 2
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Jul 1 – Jul 11
Picking runs until conditions turn against the crop.
Step 4 · Second sowing
Autumn / second sowing
Jul 17 – Jul 31
A second window for a fall crop, timed to mature before the first frost.
Step 5 · Second harvest
Autumn crop harvest
Sep 12 – Sep 22
Maturity window for the second sowing.
Window
Days to maturity
50 – 60 d
Halifax's 158-day season leaves this much room.
Swiss chard on Halifax's growing year
Frost-bounded season with crops mapped onto the 12-month axis.
Frost risk Growing Harvest
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
MAY 13
OCT 20

Common questions

When can I sow swiss chard outdoors in Halifax?

Direct-sow around mid May (May 12–Jun 2) in Halifax, based on its local frost dates. Confidence 76%.

When will swiss chard be ready to harvest in Halifax?

Expect to harvest from around early July (Jul 1–Jul 11) in Halifax, based on its local frost dates. Confidence 70%.

When should I start swiss chard seeds indoors in Halifax?

Start seeds indoors around mid April (Apr 15–May 6) in Halifax, based on its local frost dates. Confidence 74%.

When can I transplant swiss chard outdoors in Halifax?

Transplant outdoors around mid May (May 12–Jun 2) in Halifax, based on its local frost dates. Confidence 76%.

Can I plant swiss chard in autumn in Halifax?

Yes — Halifax supports a second, autumn sowing of swiss chard around mid July (Jul 17–Jul 31), timed to mature before the first fall frost.

How long is the growing season in Halifax?

Halifax has roughly 158 frost-free days, which is enough time to grow swiss chard to maturity outdoors.

The rule of thumb

Sow swiss chard as soon as the soil is workable — it tolerates cool weather and light frost. Every date on this page is derived from that rule and Halifax's frost dates.

Confidence 78/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.
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